diff --git a/src/gd_avif.c b/src/gd_avif.c
index d8f8284..028fc6b 100644
--- a/src/gd_avif.c
+++ b/src/gd_avif.c
@@ -477,7 +477,6 @@ static avifBool _gdImageAvifCtx(gdImagePtr im, gdIOCtx *outfile, int quality, in
 
 	uint32_t val;
 	uint8_t *p;
-	uint8_t a;
 	int x, y;
 
 	if (im == NULL)
diff --git a/tests/avif/compare_avif_to_png.c b/tests/avif/compare_avif_to_png.c
index 716eae9..099078a 100644
--- a/tests/avif/compare_avif_to_png.c
+++ b/tests/avif/compare_avif_to_png.c
@@ -28,8 +28,8 @@ int main() {
 	char filePath[MAX_FILEPATH_LENGTH], pngFilePath[MAX_FILEPATH_LENGTH], avifFilePath[MAX_FILEPATH_LENGTH];
 	char errMsg[MAX_FILEPATH_LENGTH + 100];
 
-	const int filesCount = 4;
-	const char *filenames[filesCount] = {"baboon", "dice_with_alpha", "plum_blossom_12bit", "sunset"};
+	static const char * const filenames[] = {"baboon", "dice_with_alpha", "plum_blossom_12bit", "sunset"};
+	const int filesCount = sizeof(filenames) / sizeof(filenames[0]);
 
 	for (int i = 0; i < filesCount; i++) {